import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        int[] hash = new int[26];
        String str1 = in.nextLine();
        String str2 = in.nextLine();
        for (int i = 0; i < str2.length(); i++) {
            char c = str2.charAt(i);
            hash[c - 'A'] ++;
        }
        for (int i = 0; i < str1.length(); i++) {
            char c = str1.charAt(i);
            if(hash[c - 'A'] != 0){
                hash[c - 'A']--;
            }
        }
        for (int i = 0; i < 26; i++) {
            if(hash[i] != 0){
                System.out.println("No");
                return;
            }
        }
        System.out.println("Yes");
    }

}